18984714 has 16 divisors (see below), whose sum is σ = 43393728. Its totient is φ = 5424192.

The previous prime is 18984709. The next prime is 18984731. The reversal of 18984714 is 41748981.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 452017 = 18984714 / (1 + 8 + 9 + 8 + 4 + 7 + 1 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225967 + ... + 226050.

It is an arithmetic number, because the mean of its divisors is an integer number (2712108).

Almost surely, 2^18984714 is an apocalyptic number.

18984714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18984714 is an abundant number, since it is smaller than the sum of its proper divisors (24409014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18984714 is a wasteful number, since it uses less digits than its factorization.

18984714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452029.

The product of its digits is 64512, while the sum is 42.

The square root of 18984714 is about 4357.1451662757. The cubic root of 18984714 is about 266.7685856947.

The spelling of 18984714 in words is "eighteen million, nine hundred eighty-four thousand, seven hundred fourteen".